/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #0d1117;
  --bg2:       #161b22;
  --bg3:       #1c2128;
  --border:    #30363d;
  --text:      #e6edf3;
  --text2:     #8b949e;
  --accent:    #00e676;
  --accent2:   #00b4d8;
  --danger:    #ff5252;
  --warn:      #ffb300;
  --radius:    12px;
  --shadow:    0 4px 24px rgba(0,0,0,0.4);
  --transition: 0.2s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 15px;
}

a { color: var(--accent2); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); }

/* === HEADER === */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(13, 17, 23, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.5px;
  white-space: nowrap;
}
.logo span { color: var(--accent); }

.nav-links {
  list-style: none;
  display: flex;
  gap: 4px;
  flex: 1;
}

.nav-links a {
  color: var(--text2);
  font-size: 14px;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 8px;
  transition: all var(--transition);
}
.nav-links a:hover {
  color: var(--text);
  background: var(--bg3);
}

.lang-btn {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--accent);
  padding: 6px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  transition: all var(--transition);
}
.lang-btn:hover { background: var(--accent); color: var(--bg); border-color: var(--accent); }

.menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 22px;
  cursor: pointer;
  padding: 4px 8px;
}

/* === HERO === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 100px 24px 60px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%, rgba(0,230,118,0.07) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 80% 20%, rgba(0,180,216,0.06) 0%, transparent 50%);
  pointer-events: none;
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 50px 50px;
  opacity: 0.15;
}

.hero-content {
  max-width: 800px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  background: rgba(0,230,118,0.1);
  border: 1px solid rgba(0,230,118,0.3);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.hero-content h1 {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 20px;
  letter-spacing: -1px;
}
.hero-content h1 span { color: var(--accent); }

.hero-content p {
  font-size: 18px;
  color: var(--text2);
  max-width: 580px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-bottom: 40px;
}

.stat { text-align: center; }
.stat-num {
  display: block;
  font-size: 36px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}
.stat-label {
  font-size: 13px;
  color: var(--text2);
}

.hero-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.btn-primary, .btn-secondary {
  padding: 12px 28px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}
.btn-primary {
  background: var(--accent);
  color: var(--bg);
}
.btn-primary:hover { background: #00ff8a; color: var(--bg); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(0,230,118,0.3); }

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--accent2); color: var(--accent2); }

/* === SECTIONS === */
.section { padding: 80px 0; }
.section-alt { background: var(--bg2); }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.section-header {
  text-align: center;
  margin-bottom: 56px;
}
.section-header h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}
.section-header p { color: var(--text2); font-size: 16px; }

/* === CARDS === */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.card:hover { border-color: rgba(0,230,118,0.2); box-shadow: var(--shadow); }
.section-alt .card { background: var(--bg3); }

.card-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.card-icon {
  font-size: 28px;
  line-height: 1;
  flex-shrink: 0;
  margin-top: 2px;
}
.card-header h3 { font-size: 18px; font-weight: 600; margin-bottom: 4px; }
.card-desc { color: var(--text2); font-size: 13px; }

/* === TOOLS GRID === */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
}

.tool-body { padding: 24px; }

/* === INPUTS === */
.input-row {
  display: flex;
  gap: 12px;
  align-items: flex-end;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}
.input-group.input-small { flex: 0 0 80px; }

label { font-size: 13px; font-weight: 500; color: var(--text2); }

input[type="text"],
input[type="number"],
input[type="password"] {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
  padding: 10px 14px;
  outline: none;
  transition: border-color var(--transition);
  width: 100%;
  font-family: 'Courier New', monospace;
}
input:focus { border-color: var(--accent2); }

.btn-calc {
  background: var(--accent);
  color: var(--bg);
  border: none;
  border-radius: 8px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  flex-shrink: 0;
}
.btn-calc:hover { background: #00ff8a; transform: translateY(-1px); }

/* === SUBNET RESULTS === */
.result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  animation: fadeIn 0.3s ease;
}
.result-item {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
}
.result-full { grid-column: 1 / -1; }
.result-label { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: 0.8px; color: var(--text2); margin-bottom: 4px; }
.result-value { font-family: 'Courier New', monospace; font-size: 14px; color: var(--text); }
.result-value.accent { color: var(--accent); font-size: 18px; font-weight: 700; }

.error-msg {
  background: rgba(255,82,82,0.1);
  border: 1px solid rgba(255,82,82,0.3);
  color: var(--danger);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 13px;
  margin-top: 12px;
}

/* === PASSWORD ENTROPY === */
.pass-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.pass-input-wrap input { padding-right: 44px; }
.toggle-pass {
  position: absolute;
  right: 10px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 16px;
  color: var(--text2);
  padding: 4px;
}

.entropy-bar-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 16px 0;
}
.entropy-bar {
  flex: 1;
  height: 8px;
  background: var(--bg3);
  border-radius: 100px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.entropy-fill {
  height: 100%;
  width: 0%;
  border-radius: 100px;
  transition: width 0.4s ease, background 0.4s ease;
}
.entropy-label { font-size: 13px; font-weight: 600; white-space: nowrap; min-width: 80px; }

.pass-stats { margin-bottom: 16px; }
.pass-stat-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  color: var(--text2);
}
.pass-stat-row span:last-child { color: var(--text); font-family: 'Courier New', monospace; }

.pass-criteria { display: flex; flex-direction: column; gap: 6px; }
.criteria-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text2);
  transition: color var(--transition);
}
.criteria-item.met { color: var(--accent); }
.crit-icon { font-size: 14px; }

/* === PORT LOOKUP === */
.port-lookup-results { margin-top: 16px; min-height: 60px; }
.lookup-hint { color: var(--text2); font-size: 13px; text-align: center; padding: 20px 0; }

.lookup-result-item {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  margin-bottom: 10px;
  animation: fadeIn 0.2s ease;
}
.lookup-result-item .port-num { font-size: 22px; font-weight: 700; color: var(--accent); font-family: monospace; }
.lookup-result-item .port-service { font-size: 15px; font-weight: 600; margin: 4px 0 2px; }
.lookup-result-item .port-desc { font-size: 13px; color: var(--text2); }
.lookup-result-item .port-meta { display: flex; gap: 10px; margin-top: 8px; flex-wrap: wrap; }
.lookup-no-result { color: var(--text2); font-size: 13px; text-align: center; padding: 20px 0; }

/* === CHECKLISTS === */
.checklists-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
  gap: 24px;
}

.checklist-card .card-header { flex-wrap: wrap; }
.progress-wrap { margin-left: auto; text-align: right; min-width: 120px; }
.progress-bar { height: 6px; background: var(--bg); border-radius: 100px; overflow: hidden; margin-bottom: 4px; }
.progress-fill { height: 100%; background: var(--accent); border-radius: 100px; width: 0%; transition: width 0.4s ease; }
.progress-label { font-size: 12px; font-weight: 600; color: var(--accent); }

.checklist-body { padding: 20px 24px; }

.checklist-category { margin-bottom: 24px; }
.checklist-category h4 {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--accent2);
  margin-bottom: 12px;
  font-weight: 600;
}

.check-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  color: var(--text2);
  transition: all var(--transition);
  margin-bottom: 4px;
}
.check-item:hover { background: var(--bg); color: var(--text); }
.check-item input[type="checkbox"] {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 2px;
  accent-color: var(--accent);
  cursor: pointer;
}
.check-item.done { color: var(--text2); text-decoration: line-through; opacity: 0.6; }

.btn-reset {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text2);
  padding: 8px 18px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  transition: all var(--transition);
  margin-top: 8px;
}
.btn-reset:hover { border-color: var(--danger); color: var(--danger); }

/* === REFERENCES === */
.ref-card { margin-bottom: 24px; }
.ref-card-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.ref-card-header h3 { font-size: 18px; font-weight: 600; flex: 1; }

.search-wrap { flex: 0 0 280px; }
.search-input {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
  padding: 9px 14px;
  outline: none;
  width: 100%;
  transition: border-color var(--transition);
}
.search-input:focus { border-color: var(--accent2); }

.table-wrap { overflow-x: auto; }
.ports-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.ports-table th {
  background: var(--bg3);
  color: var(--text2);
  text-align: left;
  padding: 12px 16px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.ports-table td {
  padding: 10px 16px;
  border-bottom: 1px solid rgba(48,54,61,0.5);
  color: var(--text2);
  vertical-align: middle;
}
.ports-table tr:last-child td { border-bottom: none; }
.ports-table tr:hover td { background: rgba(255,255,255,0.02); }
.ports-table .port-num { font-family: 'Courier New', monospace; color: var(--accent2); font-weight: 600; }
.ports-table .proto-badge {
  display: inline-block;
  background: rgba(0,180,216,0.1);
  border: 1px solid rgba(0,180,216,0.2);
  color: var(--accent2);
  border-radius: 4px;
  padding: 2px 7px;
  font-size: 11px;
  font-weight: 600;
}
.ports-table .proto-badge.udp {
  background: rgba(255,179,0,0.1);
  border-color: rgba(255,179,0,0.2);
  color: var(--warn);
}
.ports-table .service-name { color: var(--text); font-weight: 500; }

.risk-badge {
  display: inline-block;
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 600;
}
.risk-high { background: rgba(255,82,82,0.1); color: var(--danger); border: 1px solid rgba(255,82,82,0.2); }
.risk-med  { background: rgba(255,179,0,0.1); color: var(--warn); border: 1px solid rgba(255,179,0,0.2); }
.risk-low  { background: rgba(0,230,118,0.1); color: var(--accent); border: 1px solid rgba(0,230,118,0.2); }

/* === CLI ACCORDION === */
.cli-card h3 { padding: 20px 24px; border-bottom: 1px solid var(--border); font-size: 18px; font-weight: 600; }
.cli-accordion { padding: 16px; }

.acc-item { border: 1px solid var(--border); border-radius: 8px; margin-bottom: 10px; overflow: hidden; }
.acc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
  transition: background var(--transition);
  user-select: none;
}
.acc-header:hover { background: var(--bg3); }
.acc-header .acc-icon { color: var(--accent2); font-size: 16px; transition: transform var(--transition); }
.acc-item.open .acc-icon { transform: rotate(180deg); }

.acc-body { display: none; padding: 0 16px 16px; }
.acc-item.open .acc-body { display: block; }

.cmd-list { display: flex; flex-direction: column; gap: 10px; margin-top: 12px; }
.cmd-entry { display: flex; flex-direction: column; gap: 4px; }
.cmd-code {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 12px;
  font-family: 'Courier New', monospace;
  font-size: 13px;
  color: var(--accent2);
  display: flex;
  align-items: center;
  gap: 8px;
}
.cmd-code::before { content: '$'; color: var(--accent); font-weight: 700; }
.cmd-desc { font-size: 12px; color: var(--text2); padding-left: 4px; }

/* === IP CONVERTER === */
.ipconv-grid { display: flex; flex-direction: column; gap: 8px; }
.ipconv-row {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
}
.ipconv-format {
  font-size: 12px;
  color: var(--text2);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  min-width: 100px;
  flex-shrink: 0;
}
.ipconv-value {
  flex: 1;
  font-size: 13px;
  color: var(--text);
  word-break: break-all;
}
.ipconv-value.mono { font-family: 'Courier New', monospace; color: var(--accent2); }

.ipconv-binary-visual {
  margin-top: 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  font-family: 'Courier New', monospace;
  font-size: 11px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}
.octet-block { text-align: center; }
.octet-bits { display: flex; gap: 2px; }
.bit {
  width: 16px; height: 20px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 3px;
  font-size: 11px;
  font-weight: 700;
}
.bit-1 { background: rgba(0,230,118,0.2); color: var(--accent); border: 1px solid rgba(0,230,118,0.3); }
.bit-0 { background: var(--bg2); color: var(--text2); border: 1px solid var(--border); }
.octet-label { font-size: 10px; color: var(--text2); margin-top: 4px; text-align: center; }
.octet-sep { color: var(--accent); font-size: 18px; align-self: center; font-weight: 700; }

/* === VLAN PLANNER === */
.vlan-card { grid-column: 1 / -1; }
.vlan-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.vlan-table th {
  background: var(--bg3);
  color: var(--text2);
  text-align: left;
  padding: 10px 14px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
}
.vlan-table td {
  padding: 10px 14px;
  border-bottom: 1px solid rgba(48,54,61,0.5);
  color: var(--text2);
  vertical-align: middle;
}
.vlan-table tr:last-child td { border-bottom: none; }
.vlan-table tr:hover td { background: rgba(255,255,255,0.02); }
.vlan-id-badge {
  background: rgba(0,180,216,0.1);
  border: 1px solid rgba(0,180,216,0.2);
  color: var(--accent2);
  border-radius: 6px;
  padding: 2px 10px;
  font-family: monospace;
  font-weight: 700;
}
.vlan-name { color: var(--text); font-weight: 500; }
.vlan-del-btn {
  background: none;
  border: 1px solid transparent;
  color: var(--text2);
  cursor: pointer;
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 14px;
  transition: all var(--transition);
}
.vlan-del-btn:hover { border-color: var(--danger); color: var(--danger); }

/* === FIREWALL GENERATOR === */
.fw-card { grid-column: 1 / -1; }
.fw-target-select {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.fw-target-btn {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text2);
  padding: 7px 20px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  font-family: 'Courier New', monospace;
  transition: all var(--transition);
}
.fw-target-btn:hover { border-color: var(--accent2); color: var(--accent2); }
.fw-target-btn.active { background: rgba(0,180,216,0.12); border-color: var(--accent2); color: var(--accent2); }

.fw-select {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
  padding: 10px 14px;
  outline: none;
  width: 100%;
  transition: border-color var(--transition);
  cursor: pointer;
}
.fw-select:focus { border-color: var(--accent2); }

.fw-rules-output {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  font-family: 'Courier New', monospace;
  font-size: 13px;
  color: var(--accent2);
  white-space: pre-wrap;
  word-break: break-all;
  line-height: 1.8;
}

/* === VISUAL SUBNET CALCULATOR — FULL WIDTH === */
.vsn-section-full { padding-left: 0; padding-right: 0; }
.container-vsn { max-width: 100% !important; padding: 0 24px; }

/* === VISUAL SUBNET CALCULATOR === */
.vsn-card { overflow: visible; }

.vsn-topbar {
  display: flex;
  align-items: flex-end;
  gap: 20px;
  padding: 24px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.vsn-input-group { display: flex; flex-direction: column; gap: 6px; }
.vsn-input-group label { font-size: 13px; font-weight: 500; color: var(--text2); }
.vsn-input-row { display: flex; align-items: center; gap: 6px; }
.vsn-slash { font-size: 20px; font-weight: 300; color: var(--text2); }
.vsn-go-btn { align-self: flex-end; padding: 10px 28px; }
.vsn-reset-btn { align-self: flex-end; }

.vsn-mode-btns { display: flex; gap: 6px; flex-wrap: wrap; }
.vsn-mode-btn {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text2);
  padding: 8px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  transition: all var(--transition);
}
.vsn-mode-btn:hover { border-color: var(--accent2); color: var(--accent2); }
.vsn-mode-btn.active { background: rgba(0,180,216,0.12); border-color: var(--accent2); color: var(--accent2); }

.vsn-palette-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg3);
  flex-wrap: wrap;
}
.vsn-palette-label { font-size: 13px; color: var(--text2); font-weight: 500; white-space: nowrap; }
.vsn-palette { display: flex; gap: 8px; flex-wrap: wrap; }
.vsn-swatch {
  width: 26px; height: 26px;
  border-radius: 6px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  flex-shrink: 0;
}
.vsn-swatch:hover { transform: scale(1.15); border-color: var(--text); }
.vsn-swatch.active { border-color: var(--text); transform: scale(1.15); box-shadow: 0 0 0 2px var(--bg3); }

.vsn-clear-color {
  background: none;
  border: 1px solid var(--border);
  color: var(--text2);
  padding: 5px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
  transition: all var(--transition);
  white-space: nowrap;
}
.vsn-clear-color:hover { border-color: var(--danger); color: var(--danger); }
.vsn-palette-hint { font-size: 12px; color: var(--text2); font-style: italic; }

.vsn-mode-info {
  padding: 10px 24px;
  font-size: 12px;
  color: var(--accent2);
  background: rgba(0,180,216,0.05);
  border-bottom: 1px solid rgba(0,180,216,0.15);
  display: flex;
  align-items: center;
  gap: 8px;
}

.vsn-stats-bar {
  display: flex;
  gap: 32px;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg3);
  flex-wrap: wrap;
}
.vsn-stat { display: flex; flex-direction: column; gap: 2px; }
.vsn-stat span { font-size: 11px; text-transform: uppercase; letter-spacing: 0.8px; color: var(--text2); }
.vsn-stat strong { font-size: 15px; color: var(--accent); font-family: monospace; }

.vsn-table-wrap { overflow-x: auto; overflow-y: auto; max-height: calc(100vh - 380px); min-height: 300px; }
.vsn-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.vsn-table th {
  background: var(--bg);
  color: var(--text2);
  text-align: left;
  padding: 10px 14px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  font-weight: 600;
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
  position: sticky;
  top: 0;
  z-index: 10;
}
.vsn-table td {
  padding: 9px 14px;
  border-bottom: 1px solid rgba(48,54,61,0.6);
  vertical-align: middle;
  transition: background var(--transition);
}
.vsn-table tr:last-child td { border-bottom: none; }

/* Depth indentation column */
.vsn-depth-cell { padding: 0 8px !important; width: 24px; }
.vsn-depth-bar {
  display: flex;
  gap: 3px;
  align-items: center;
  height: 100%;
}
.vsn-depth-pip {
  width: 3px;
  height: 20px;
  border-radius: 2px;
  background: var(--border);
  flex-shrink: 0;
}

/* Row colors */
.vsn-row { cursor: pointer; }
.vsn-row:hover td { filter: brightness(1.08); }
.vsn-row.colored td { }
.vsn-row.colored .vsn-subnet,
.vsn-row.colored .vsn-range,
.vsn-row.colored .vsn-usable,
.vsn-row.colored .vsn-hosts-num,
.vsn-row.colored .vsn-notes-input { color: #111 !important; }

.vsn-subnet { font-family: 'Courier New', monospace; font-weight: 700; font-size: 13px; color: var(--accent2); white-space: nowrap; }
.vsn-range  { font-family: 'Courier New', monospace; font-size: 12px; color: var(--text2); white-space: nowrap; }
.vsn-usable { font-family: 'Courier New', monospace; font-size: 12px; color: var(--accent); white-space: nowrap; }
.vsn-hosts-num { font-weight: 700; font-family: monospace; color: var(--text); }

.vsn-notes-input {
  background: transparent;
  border: none;
  border-bottom: 1px dashed var(--border);
  color: var(--text2);
  font-size: 13px;
  width: 100%;
  min-width: 120px;
  outline: none;
  padding: 2px 4px;
  transition: border-color var(--transition);
}
.vsn-notes-input:focus { border-color: var(--accent2); color: var(--text); }

.vsn-actions { display: flex; gap: 6px; white-space: nowrap; }
.vsn-split-btn, .vsn-join-btn {
  padding: 4px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
}
.vsn-split-btn {
  background: rgba(242,127,100,0.15);
  color: #F27F64;
  border: 1px solid rgba(242,127,100,0.3);
}
.vsn-split-btn:hover { background: rgba(242,127,100,0.3); }
.vsn-split-btn:disabled { opacity: 0.3; cursor: not-allowed; }

.vsn-join-btn {
  background: rgba(111,176,214,0.15);
  color: #6FB0D6;
  border: 1px solid rgba(111,176,214,0.3);
}
.vsn-join-btn:hover { background: rgba(111,176,214,0.3); }

.vsn-empty {
  text-align: center;
  padding: 60px 24px;
  color: var(--text2);
}
.vsn-empty-icon { font-size: 48px; margin-bottom: 16px; opacity: 0.5; }
.vsn-empty p { font-size: 15px; }

/* === TEMPLATES IPAM & NAC === */
.tpl-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 24px;
  align-items: start;
}

.tpl-sidebar {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  position: sticky;
  top: 80px;
}

.tpl-sidebar .search-input {
  border: none;
  border-bottom: 1px solid var(--border);
  border-radius: 0;
  background: var(--bg3);
  padding: 12px 16px;
}

.tpl-platform-filters {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg3);
}
.tpl-pf {
  flex: 1;
  background: none;
  border: none;
  border-right: 1px solid var(--border);
  color: var(--text2);
  padding: 8px 4px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.tpl-pf:last-child { border-right: none; }
.tpl-pf:hover { color: var(--text); background: rgba(255,255,255,0.03); }
.tpl-pf.active { color: var(--accent); background: rgba(0,230,118,0.06); }

.tpl-list { max-height: 600px; overflow-y: auto; }

.tpl-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 16px;
  border-bottom: 1px solid rgba(48,54,61,0.5);
  cursor: pointer;
  transition: background var(--transition);
}
.tpl-item:last-child { border-bottom: none; }
.tpl-item:hover { background: rgba(255,255,255,0.03); }
.tpl-item.active { background: rgba(0,230,118,0.06); border-left: 3px solid var(--accent); }

.tpl-item-top { display: flex; align-items: center; gap: 8px; }
.tpl-platform-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  flex-shrink: 0;
}
.tpl-platform-badge.infoblox { background: rgba(0,180,216,0.15); color: #00b4d8; border: 1px solid rgba(0,180,216,0.25); }
.tpl-platform-badge.eip      { background: rgba(245,158,11,0.15); color: #f59e0b; border: 1px solid rgba(245,158,11,0.25); }
.tpl-platform-badge.ise      { background: rgba(124,58,237,0.15); color: #a78bfa; border: 1px solid rgba(124,58,237,0.25); }

.tpl-method-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
  font-family: monospace;
  flex-shrink: 0;
}
.tpl-method-badge.GET    { background: rgba(0,230,118,0.1);  color: #00e676; }
.tpl-method-badge.POST   { background: rgba(0,180,216,0.1);  color: #00b4d8; }
.tpl-method-badge.PUT    { background: rgba(255,179,0,0.1);  color: #ffb300; }
.tpl-method-badge.DELETE { background: rgba(255,82,82,0.1);  color: #ff5252; }

.tpl-item-title { font-size: 13px; color: var(--text); font-weight: 500; line-height: 1.4; }

/* === Template Detail Panel === */
.tpl-detail {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  min-height: 400px;
}

.tpl-detail-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 400px;
  color: var(--text2);
  gap: 12px;
}
.tpl-empty-icon { font-size: 48px; opacity: 0.3; }

.tpl-detail-header {
  padding: 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
}
.tpl-detail-meta { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.tpl-detail-title { font-size: 18px; font-weight: 600; margin-bottom: 6px; }
.tpl-detail-desc { font-size: 13px; color: var(--text2); line-height: 1.6; }

.tpl-detail-body { padding: 24px; display: flex; flex-direction: column; gap: 20px; }

.tpl-vars-section h4,
.tpl-code-section h4 {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text2);
  margin-bottom: 12px;
  font-weight: 600;
}

.tpl-vars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 10px;
}
.tpl-var-field { display: flex; flex-direction: column; gap: 4px; }
.tpl-var-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--accent2);
  font-family: monospace;
  display: flex;
  align-items: center;
  gap: 6px;
}
.tpl-var-hint { font-size: 10px; color: var(--text2); font-weight: 400; font-family: sans-serif; }
.tpl-var-input {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 12px;
  padding: 7px 10px;
  outline: none;
  font-family: 'Courier New', monospace;
  transition: border-color var(--transition);
}
.tpl-var-input:focus { border-color: var(--accent2); }
.tpl-var-input::placeholder { color: var(--text2); opacity: 0.6; }

.tpl-code-tabs { display: flex; gap: 0; border-bottom: 1px solid var(--border); margin-bottom: 0; }
.tpl-code-tab {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text2);
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  margin-bottom: -1px;
}
.tpl-code-tab:hover { color: var(--text); }
.tpl-code-tab.active { color: var(--accent); border-bottom-color: var(--accent); }

.tpl-code-pane {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 0 0 8px 8px;
  padding: 16px;
  font-family: 'Courier New', monospace;
  font-size: 12px;
  line-height: 1.7;
  overflow-x: auto;
  white-space: pre;
  max-height: 360px;
  overflow-y: auto;
  position: relative;
}
.tpl-code-pane .var-filled { color: #00e676; }
.tpl-code-pane .var-empty  { color: #ffb300; background: rgba(255,179,0,0.1); border-radius: 3px; padding: 0 2px; }
.tpl-code-pane .code-key   { color: #a78bfa; }
.tpl-code-pane .code-string { color: #f59e0b; }
.tpl-code-pane .code-method { color: #ff5252; font-weight: 700; }
.tpl-code-pane .code-url   { color: #00b4d8; }

.tpl-code-actions {
  display: flex;
  gap: 8px;
  margin-top: 10px;
  flex-wrap: wrap;
}
.tpl-copy-btn {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text2);
  padding: 7px 16px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}
.tpl-copy-btn:hover { border-color: var(--accent); color: var(--accent); }
.tpl-copy-btn.copied { border-color: var(--accent); color: var(--accent); }
.tpl-reset-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text2);
  padding: 7px 16px;
  border-radius: 8px;
  font-size: 12px;
  cursor: pointer;
  transition: all var(--transition);
  margin-left: auto;
}
.tpl-reset-btn:hover { border-color: var(--danger); color: var(--danger); }

/* Border colors per platform in detail */
.tpl-detail.platform-infoblox { border-top: 2px solid #00b4d8; }
.tpl-detail.platform-eip      { border-top: 2px solid #f59e0b; }
.tpl-detail.platform-ise      { border-top: 2px solid #a78bfa; }

@media (max-width: 900px) {
  .tpl-layout { grid-template-columns: 1fr; }
  .tpl-sidebar { position: static; }
  .tpl-list { max-height: 280px; }
}

/* === CERTIFICATIONS === */
.cert-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 40px;
}
.cert-filter-btn {
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--text2);
  padding: 8px 20px;
  border-radius: 100px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: all var(--transition);
}
.cert-filter-btn:hover { border-color: var(--accent2); color: var(--accent2); }
.cert-filter-btn.active { background: rgba(0,230,118,0.1); border-color: var(--accent); color: var(--accent); }

.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.cert-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.cert-card:hover { border-color: rgba(0,230,118,0.25); transform: translateY(-2px); box-shadow: var(--shadow); }

.cert-card-top { display: flex; align-items: flex-start; gap: 14px; }
.cert-logo {
  width: 48px; height: 48px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}
.cert-title { font-size: 16px; font-weight: 700; color: var(--text); line-height: 1.3; }
.cert-acronym { font-size: 12px; color: var(--text2); font-family: monospace; }

.cert-meta { display: flex; gap: 8px; flex-wrap: wrap; }
.cert-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 100px;
  border: 1px solid;
}
.cert-badge.entry    { background: rgba(0,230,118,0.08);  border-color: rgba(0,230,118,0.25);  color: var(--accent); }
.cert-badge.mid      { background: rgba(0,180,216,0.08);  border-color: rgba(0,180,216,0.25);  color: var(--accent2); }
.cert-badge.advanced { background: rgba(255,179,0,0.08);  border-color: rgba(255,179,0,0.25);  color: var(--warn); }
.cert-badge.expert   { background: rgba(255,82,82,0.08);  border-color: rgba(255,82,82,0.25);  color: var(--danger); }

.cert-issuer { font-size: 12px; color: var(--text2); }
.cert-desc { font-size: 13px; color: var(--text2); line-height: 1.6; flex: 1; }

.cert-domains { display: flex; gap: 6px; flex-wrap: wrap; }
.cert-domain-tag {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  color: var(--text2);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 4px;
}

.cert-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text2);
}
.cert-validity { display: flex; align-items: center; gap: 4px; }
.cert-cost { font-family: monospace; color: var(--accent); font-weight: 600; }

/* === FOOTER === */
.footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 48px 24px;
  text-align: center;
}
.footer-inner { display: flex; flex-direction: column; align-items: center; gap: 16px; }
.footer-img-logo { height: 130px; width: auto; object-fit: contain; }
.footer-logo { font-size: 22px; font-weight: 700; }
.footer-logo span { color: var(--accent); }
.footer-desc { color: var(--text2); font-size: 14px; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { color: var(--text2); font-size: 14px; transition: color var(--transition); }
.footer-links a:hover { color: var(--accent); }
.footer-copy { color: rgba(139,148,158,0.5); font-size: 12px; }

/* === HASH TOOL === */
textarea {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 13px;
  padding: 10px 14px;
  outline: none;
  width: 100%;
  resize: vertical;
  font-family: 'Courier New', monospace;
  transition: border-color var(--transition);
  line-height: 1.5;
}
textarea:focus { border-color: var(--accent2); }

.hash-algo-select, .b64-mode-select { margin-bottom: 14px; }
.hash-algo-select label { font-size: 13px; color: var(--text2); display: block; margin-bottom: 8px; font-weight: 500; }

.algo-btns, .b64-mode-select {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.algo-btn, .mode-btn {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text2);
  padding: 6px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: all var(--transition);
  font-family: 'Courier New', monospace;
}
.algo-btn:hover, .mode-btn:hover { border-color: var(--accent2); color: var(--accent2); }
.algo-btn.active, .mode-btn.active {
  background: rgba(0,180,216,0.12);
  border-color: var(--accent2);
  color: var(--accent2);
}

.hash-result, .b64-result { margin-top: 16px; animation: fadeIn 0.3s ease; }

.hash-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text2);
}

.copy-btn {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text2);
  padding: 4px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 11px;
  font-weight: 600;
  transition: all var(--transition);
}
.copy-btn:hover { border-color: var(--accent); color: var(--accent); }
.copy-btn.copied { border-color: var(--accent); color: var(--accent); }

.hash-value {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  font-family: 'Courier New', monospace;
  font-size: 12px;
  color: var(--accent2);
  word-break: break-all;
  line-height: 1.6;
}

/* === BASE64 === */
.b64-mode-select { margin-bottom: 0; }
.mode-btn { font-family: inherit; }

/* === JWT DECODER === */
.jwt-part { margin-bottom: 14px; }
.jwt-part-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 6px;
  padding: 3px 8px;
  border-radius: 4px;
  display: inline-block;
}
.jwt-header-label  { background: rgba(0,180,216,0.12); color: var(--accent2); }
.jwt-payload-label { background: rgba(0,230,118,0.1);  color: var(--accent); }
.jwt-sig-label     { background: rgba(255,82,82,0.1);  color: var(--danger); }

.jwt-code {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  font-family: 'Courier New', monospace;
  font-size: 12px;
  color: var(--text);
  overflow-x: auto;
  white-space: pre;
  line-height: 1.6;
  margin: 0;
}

.jwt-sig-warn {
  font-size: 12px;
  color: var(--warn);
  margin-bottom: 6px;
}
.jwt-sig {
  font-size: 11px;
  color: var(--danger);
  opacity: 0.8;
}

.jwt-expiry {
  font-size: 13px;
  padding: 10px 14px;
  border-radius: 8px;
  margin-top: 4px;
}
.jwt-expiry.valid   { background: rgba(0,230,118,0.08); color: var(--accent); border: 1px solid rgba(0,230,118,0.2); }
.jwt-expiry.expired { background: rgba(255,82,82,0.08); color: var(--danger); border: 1px solid rgba(255,82,82,0.2); }

/* === ANIMATIONS === */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.no-results {
  text-align: center;
  color: var(--text2);
  padding: 32px;
  font-size: 14px;
}

/* === RESPONSIVE === */
/* ============================================================
   COLOR ENHANCEMENTS
   ============================================================ */

/* --- Variables supplémentaires --- */
:root {
  --purple:  #7c3aed;
  --pink:    #ec4899;
  --orange:  #f59e0b;
  --grad-main:  linear-gradient(135deg, #00e676, #00b4d8);
  --grad-warm:  linear-gradient(135deg, #f59e0b, #ec4899);
  --grad-cool:  linear-gradient(135deg, #7c3aed, #00b4d8);
}

/* --- Header — barre dégradée en bas --- */
#header {
  border-bottom: 1px solid transparent;
  background: rgba(13, 17, 23, 0.95);
  box-shadow: 0 1px 0 0 rgba(0,230,118,0.15), 0 1px 0 0 rgba(0,180,216,0.1);
}

/* --- Logo dégradé --- */
.logo span {
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.footer-logo span {
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Nav link hover bar --- */
.nav-links a {
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%; right: 50%;
  height: 2px;
  background: var(--grad-main);
  border-radius: 2px;
  transition: left 0.2s ease, right 0.2s ease;
}
.nav-links a:hover::after { left: 10%; right: 10%; }

/* --- Hero — fond riche --- */
.hero-bg {
  background:
    radial-gradient(ellipse 60% 50% at 20% 40%, rgba(124,58,237,0.18) 0%, transparent 55%),
    radial-gradient(ellipse 50% 60% at 75% 25%, rgba(0,230,118,0.12) 0%, transparent 55%),
    radial-gradient(ellipse 70% 50% at 80% 75%, rgba(0,180,216,0.12) 0%, transparent 55%),
    radial-gradient(ellipse 40% 40% at 50% 90%, rgba(236,72,153,0.07) 0%, transparent 50%);
}

/* --- Hero title span dégradé --- */
.hero-content h1 span {
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Hero badge --- */
.hero-badge {
  background: linear-gradient(135deg, rgba(124,58,237,0.15), rgba(0,230,118,0.15));
  border-color: rgba(124,58,237,0.4);
  color: #a78bfa;
}

/* --- Hero stats — couleurs différentes par stat --- */
.hero-stats .stat:nth-child(1) .stat-num { color: #00e676; }
.hero-stats .stat:nth-child(2) .stat-num { color: #00b4d8; }
.hero-stats .stat:nth-child(3) .stat-num { color: #a78bfa; }

/* --- Bouton primaire dégradé --- */
.btn-primary {
  background: var(--grad-main);
  color: #0d1117;
  border: none;
  box-shadow: 0 4px 16px rgba(0,230,118,0.25);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #00ff8a, #00d4f5);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0,230,118,0.4);
}

/* --- Section headers — texte dégradé --- */
.section-header h2 {
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

/* --- Section alt — fond légèrement teinté --- */
.section-alt {
  background: linear-gradient(180deg,
    rgba(22,27,34,1) 0%,
    rgba(18,22,30,1) 100%);
  position: relative;
}
.section-alt::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: var(--grad-main);
  opacity: 0.3;
}

/* --- Card icons colorés --- */
#subnetCard     .card-icon { color: #00b4d8; }
#passCard       .card-icon { color: #a78bfa; }
#portLookupCard .card-icon { color: #00e676; }
#hashCard       .card-icon { color: #f59e0b; }
#base64Card     .card-icon { color: #ec4899; }
#jwtCard        .card-icon { color: #ff5252; }
#ipConvCard     .card-icon { color: #00b4d8; }
#vlanCard       .card-icon { color: #00e676; }
#fwCard         .card-icon { color: #f59e0b; }

/* --- Tool cards — bordure supérieure colorée --- */
#subnetCard     { border-top: 2px solid #00b4d8; }
#passCard       { border-top: 2px solid #a78bfa; }
#portLookupCard { border-top: 2px solid #00e676; }
#hashCard       { border-top: 2px solid #f59e0b; }
#base64Card     { border-top: 2px solid #ec4899; }
#jwtCard        { border-top: 2px solid #ff5252; }
#ipConvCard     { border-top: 2px solid #00b4d8; }
#vlanCard       { border-top: 2px solid #00e676; }
#fwCard         { border-top: 2px solid #f59e0b; }

/* --- Cards hover glow coloré --- */
#subnetCard:hover,#ipConvCard:hover
  { box-shadow: 0 4px 32px rgba(0,180,216,0.12); border-color: rgba(0,180,216,0.4); }
#passCard:hover
  { box-shadow: 0 4px 32px rgba(167,139,250,0.12); border-color: rgba(167,139,250,0.4); }
#portLookupCard:hover,#vlanCard:hover
  { box-shadow: 0 4px 32px rgba(0,230,118,0.12); border-color: rgba(0,230,118,0.4); }
#hashCard:hover,#fwCard:hover
  { box-shadow: 0 4px 32px rgba(245,158,11,0.12); border-color: rgba(245,158,11,0.4); }
#base64Card:hover
  { box-shadow: 0 4px 32px rgba(236,72,153,0.12); border-color: rgba(236,72,153,0.4); }
#jwtCard:hover
  { box-shadow: 0 4px 32px rgba(255,82,82,0.12); border-color: rgba(255,82,82,0.4); }

/* --- Checklist cards colorées --- */
.checklist-card:nth-child(1) {
  border-top: 2px solid #ff5252;
}
.checklist-card:nth-child(1) .card-icon { color: #ff5252; }
.checklist-card:nth-child(1) .progress-fill {
  background: linear-gradient(90deg, #ff5252, #ff8f00);
}

.checklist-card:nth-child(2) {
  border-top: 2px solid #00b4d8;
}
.checklist-card:nth-child(2) .card-icon { color: #00b4d8; }
.checklist-card:nth-child(2) .progress-fill {
  background: linear-gradient(90deg, #00b4d8, #00e676);
}

/* --- Checklist category headers colorés --- */
.checklist-body .checklist-category:nth-child(1) h4 { color: #00e676; }
.checklist-body .checklist-category:nth-child(2) h4 { color: #00b4d8; }
.checklist-body .checklist-category:nth-child(3) h4 { color: #a78bfa; }

/* --- Check item coché --- */
.check-item.done { color: var(--text2); }
.check-item input[type="checkbox"]:checked { accent-color: #00e676; }

/* --- Audit progress label coloré --- */
#auditProgressLabel  { color: #ff5252; }
#networkProgressLabel { color: #00b4d8; }

/* --- References section cards --- */
.ref-card { border-top: 2px solid var(--accent2); }
.cli-card  { border-top: 2px solid var(--purple); }

/* --- Ports table port numbers --- */
.ports-table .port-num { color: #00b4d8; }

/* --- CLI accordion headers colorés par index --- */
.acc-item:nth-child(1) .acc-header .acc-icon { color: #00e676; }
.acc-item:nth-child(2) .acc-header .acc-icon { color: #00b4d8; }
.acc-item:nth-child(3) .acc-header .acc-icon { color: #a78bfa; }
.acc-item:nth-child(4) .acc-header .acc-icon { color: #f59e0b; }

.acc-item:nth-child(1) .acc-header:hover { border-left: 3px solid #00e676; padding-left: 13px; }
.acc-item:nth-child(2) .acc-header:hover { border-left: 3px solid #00b4d8; padding-left: 13px; }
.acc-item:nth-child(3) .acc-header:hover { border-left: 3px solid #a78bfa; padding-left: 13px; }
.acc-item:nth-child(4) .acc-header:hover { border-left: 3px solid #f59e0b; padding-left: 13px; }

/* --- CMD code — syntaxe colorée --- */
.cmd-code { color: #00b4d8; }
.cmd-code::before { color: #00e676; }

/* --- Cert cards — bordure gauche par catégorie --- */
.cert-card[data-cat="security"]  { border-left: 3px solid #ff5252; }
.cert-card[data-cat="network"]   { border-left: 3px solid #00b4d8; }
.cert-card[data-cat="cloud"]     { border-left: 3px solid #f59e0b; }
.cert-card[data-cat="offensive"] { border-left: 3px solid #a78bfa; }

.cert-card[data-cat="security"]:hover  { box-shadow: 0 6px 32px rgba(255,82,82,0.1); }
.cert-card[data-cat="network"]:hover   { box-shadow: 0 6px 32px rgba(0,180,216,0.1); }
.cert-card[data-cat="cloud"]:hover     { box-shadow: 0 6px 32px rgba(245,158,11,0.1); }
.cert-card[data-cat="offensive"]:hover { box-shadow: 0 6px 32px rgba(167,139,250,0.1); }

/* --- Cert filter buttons --- */
.cert-filter-btn[data-filter="security"].active  { background: rgba(255,82,82,0.1);  border-color: #ff5252; color: #ff5252; }
.cert-filter-btn[data-filter="network"].active   { background: rgba(0,180,216,0.1);  border-color: #00b4d8; color: #00b4d8; }
.cert-filter-btn[data-filter="cloud"].active     { background: rgba(245,158,11,0.1); border-color: #f59e0b; color: #f59e0b; }
.cert-filter-btn[data-filter="offensive"].active { background: rgba(167,139,250,0.1);border-color: #a78bfa; color: #a78bfa; }
.cert-filter-btn[data-filter="all"].active       { background: rgba(0,230,118,0.1);  border-color: #00e676; color: #00e676; }

/* --- VSN section accent --- */
#visual-subnet .section-header h2 {
  background: linear-gradient(135deg, #00e676, #00b4d8, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.vsn-card { border-top: 2px solid transparent;
  border-image: var(--grad-main) 1; }
.vsn-split-btn {
  background: rgba(242,127,100,0.2);
  color: #F27F64;
  font-weight: 700;
}
.vsn-join-btn {
  background: rgba(0,180,216,0.15);
  color: #6FB0D6;
  font-weight: 700;
}

/* --- Result values accent --- */
.result-value.accent {
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Lang button dégradé au hover --- */
.lang-btn:hover {
  background: var(--grad-main);
  color: #0d1117;
  border-color: transparent;
}

/* --- Footer gradient top border --- */
.footer {
  border-top: 1px solid transparent;
  box-shadow: 0 -1px 0 0 rgba(0,230,118,0.2), 0 -1px 0 0 rgba(0,180,216,0.1);
}

/* --- Search input focus glow --- */
.search-input:focus {
  box-shadow: 0 0 0 3px rgba(0,180,216,0.1);
}
input:focus {
  box-shadow: 0 0 0 3px rgba(0,180,216,0.08);
}

/* --- Entropy bar label couleur dynamique renforcée --- */
.entropy-label { font-weight: 700; }

/* --- Hash value coloré --- */
.hash-value { color: #00b4d8; }

/* --- JWT parts colorés --- */
.jwt-code { border-left: 3px solid var(--border); }
.jwt-part:nth-child(1) .jwt-code { border-left-color: #00b4d8; }
.jwt-part:nth-child(2) .jwt-code { border-left-color: #00e676; }
.jwt-part:nth-child(3) .jwt-code { border-left-color: #ff5252; }

/* --- B64 result --- */
.b64-result .hash-value { color: #ec4899; }

/* --- IP converter format labels colorés --- */
.ipconv-row:nth-child(1) .ipconv-format { color: #00e676; }
.ipconv-row:nth-child(2) .ipconv-format { color: #00b4d8; }
.ipconv-row:nth-child(3) .ipconv-format { color: #f59e0b; }
.ipconv-row:nth-child(4) .ipconv-format { color: #a78bfa; }
.ipconv-row:nth-child(5) .ipconv-format { color: #ec4899; }

/* --- VLAN ID badges --- */
.vlan-id-badge {
  background: linear-gradient(135deg, rgba(0,180,216,0.15), rgba(0,230,118,0.1));
  border-color: rgba(0,180,216,0.3);
}

/* --- FW rules output --- */
.fw-rules-output {
  color: #00e676;
  border-left: 3px solid #00e676;
}

/* --- Scrollbar colorée --- */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0,230,118,0.4); }

/* ============================================================ */

@media (max-width: 768px) {
  .nav-links { display: none; }
  .menu-btn { display: block; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 64px; left: 0; right: 0;
    background: var(--bg2);
    border-bottom: 1px solid var(--border);
    padding: 16px;
    gap: 4px;
  }
  .hero-stats { gap: 24px; }
  .tools-grid { grid-template-columns: 1fr; }
  .checklists-grid { grid-template-columns: 1fr; }
  .result-grid { grid-template-columns: 1fr; }
  .input-row { flex-direction: column; }
  .input-group.input-small { flex: 1; }
  .ref-card-header { flex-direction: column; align-items: flex-start; }
  .search-wrap { flex: 1; width: 100%; }
  .progress-wrap { margin-left: 0; }
  .checklist-actions { flex-direction: column; }
}

/* ============================================================
   LIGHT MODE
   ============================================================ */
body.light {
  --bg:     #f5f7fa;
  --bg2:    #ffffff;
  --bg3:    #eef1f5;
  --border: #d0d7de;
  --text:   #1a1f2e;
  --text2:  #57606a;
  --shadow: 0 4px 24px rgba(0,0,0,0.1);
}
body.light .hero-bg { opacity: 0.5; }
body.light #header { background: rgba(245,247,250,0.95); }
body.light .nav-links.open { background: #ffffff; }

/* ============================================================
   THEME + SEARCH NAV BUTTONS
   ============================================================ */
.theme-btn, .search-btn {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text2);
  width: 36px; height: 36px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
  flex-shrink: 0;
}
.theme-btn:hover, .search-btn:hover {
  background: var(--bg2);
  color: var(--accent);
  border-color: var(--accent);
}

/* ============================================================
   CHECKLIST ACTIONS ROW
   ============================================================ */
.checklist-actions {
  display: flex;
  gap: 10px;
  margin-top: 16px;
  flex-wrap: wrap;
}
.btn-pdf {
  background: rgba(0,180,216,0.12);
  border: 1px solid rgba(0,180,216,0.35);
  color: var(--accent2);
  padding: 8px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  transition: all var(--transition);
}
.btn-pdf:hover { background: var(--accent2); color: var(--bg); }

/* ============================================================
   SSL RESULT
   ============================================================ */
.ssl-result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.ssl-field {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
}
.ssl-field.ssl-full { grid-column: 1 / -1; }
.ssl-field-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--text2);
  margin-bottom: 4px;
}
.ssl-field-value {
  font-family: 'Courier New', monospace;
  font-size: 13px;
  color: var(--accent2);
  word-break: break-all;
}
.ssl-field-value.expired { color: var(--danger); }
.ssl-field-value.valid { color: var(--accent); }
.ssl-san-list { font-family: monospace; font-size: 12px; color: var(--text); }
.ssl-san-item { display: inline-block; background: rgba(0,180,216,0.12); border: 1px solid rgba(0,180,216,0.25); border-radius: 4px; padding: 2px 8px; margin: 2px; font-size: 12px; }

/* ============================================================
   IPv6 RESULT
   ============================================================ */
.ipv6-result-grid { display: grid; gap: 10px; }
.ipv6-row {
  display: flex; align-items: center; gap: 10px;
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 8px; padding: 10px 14px;
}
.ipv6-format { font-size: 12px; font-weight: 700; color: var(--text2); width: 120px; flex-shrink: 0; }
.ipv6-value { font-family: monospace; font-size: 13px; color: var(--accent2); flex: 1; word-break: break-all; }
.ipv6-type-badge {
  display: inline-block;
  background: rgba(0,230,118,0.12);
  border: 1px solid rgba(0,230,118,0.3);
  color: var(--accent);
  font-size: 11px; font-weight: 700; padding: 3px 10px;
  border-radius: 100px; text-transform: uppercase; letter-spacing: 0.5px;
}

/* ============================================================
   FIREWALL TESTER RESULT
   ============================================================ */
.fwt-result-match {
  padding: 14px 18px;
  border-radius: 10px;
  border: 1px solid;
  font-family: monospace;
  font-size: 14px;
}
.fwt-result-match.accept { background: rgba(0,230,118,0.1); border-color: rgba(0,230,118,0.3); color: var(--accent); }
.fwt-result-match.drop   { background: rgba(255,82,82,0.1);  border-color: rgba(255,82,82,0.3);  color: var(--danger); }
.fwt-result-match.log    { background: rgba(255,179,0,0.1);  border-color: rgba(255,179,0,0.3);  color: var(--warn); }
.fwt-rule-num { font-size: 11px; color: var(--text2); margin-bottom: 4px; }
.fwt-no-match { color: var(--text2); font-style: italic; padding: 14px; }

/* ============================================================
   OSI TABLE
   ============================================================ */
.osi-ref-card { padding: 24px; }
.osi-ref-card h3 { margin-bottom: 0; }
.osi-table td:first-child { font-weight: 800; font-size: 20px; color: var(--accent); text-align: center; width: 36px; }
.osi-table td:nth-child(2) { font-weight: 700; color: var(--text); white-space: nowrap; }
.osi-table td { vertical-align: top; font-size: 13px; padding: 10px 12px; }
.osi-layer-badge {
  display: inline-block; padding: 2px 8px; border-radius: 4px;
  font-size: 11px; font-weight: 700; white-space: nowrap; margin: 1px;
}
.osi-attack-tag {
  display: inline-block; background: rgba(255,82,82,0.12); border: 1px solid rgba(255,82,82,0.25);
  color: var(--danger); font-size: 11px; padding: 2px 7px; border-radius: 4px; margin: 1px;
}
.osi-tool-tag {
  display: inline-block; background: rgba(0,180,216,0.1); border: 1px solid rgba(0,180,216,0.25);
  color: var(--accent2); font-size: 11px; padding: 2px 7px; border-radius: 4px; margin: 1px;
}

/* ============================================================
   CIDR AGGREGATOR
   ============================================================ */
#cidrAggOutput { color: var(--accent); font-size: 14px; line-height: 1.8; white-space: pre; }

/* ============================================================
   SEARCH MODAL
   ============================================================ */
.search-modal {
  position: fixed; inset: 0; z-index: 1000;
  display: flex; align-items: flex-start; justify-content: center;
  padding-top: 80px;
}
.search-overlay {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.6); backdrop-filter: blur(4px);
}
.search-dialog {
  position: relative; z-index: 1;
  width: 100%; max-width: 640px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0,0,0,0.5);
  animation: searchIn 0.15s ease;
}
@keyframes searchIn {
  from { opacity: 0; transform: translateY(-12px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.search-input-wrap {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.search-icon-big { font-size: 18px; color: var(--text2); flex-shrink: 0; }
.search-input-wrap input {
  flex: 1; background: none; border: none; outline: none;
  font-size: 16px; color: var(--text);
}
.search-input-wrap input::placeholder { color: var(--text2); }
.search-esc {
  background: var(--bg3); border: 1px solid var(--border);
  color: var(--text2); font-size: 11px; padding: 3px 7px;
  border-radius: 4px; flex-shrink: 0; font-family: monospace;
}
.search-results { max-height: 420px; overflow-y: auto; padding: 8px 0; }
.search-hint { padding: 12px 20px; color: var(--text2); font-size: 13px; }
.search-category-label {
  padding: 6px 20px 4px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.8px;
  text-transform: uppercase; color: var(--text2);
}
.search-result-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 20px; cursor: pointer;
  transition: background var(--transition);
}
.search-result-item:hover, .search-result-item.active {
  background: var(--bg3);
}
.sri-icon { font-size: 16px; flex-shrink: 0; width: 24px; text-align: center; }
.sri-main { flex: 1; }
.sri-title { font-size: 14px; font-weight: 600; color: var(--text); }
.sri-sub { font-size: 12px; color: var(--text2); margin-top: 1px; }
.sri-badge { font-size: 11px; background: var(--bg3); border: 1px solid var(--border); color: var(--text2); padding: 2px 8px; border-radius: 4px; white-space: nowrap; }
.search-no-results { padding: 24px 20px; color: var(--text2); text-align: center; font-size: 14px; }
mark.highlight { background: rgba(0,230,118,0.25); color: var(--accent); border-radius: 2px; }

/* ============================================================
   TOOL RESET BUTTON
   ============================================================ */
.tool-reset-btn {
  margin-left: auto;
  background: none;
  border: 1px solid var(--border);
  color: var(--text2);
  width: 30px; height: 30px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
  flex-shrink: 0;
  align-self: center;
}
.tool-reset-btn:hover {
  border-color: var(--danger);
  color: var(--danger);
  transform: rotate(-30deg);
}

/* ============================================================
   CONTACT SECTION
   ============================================================ */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 32px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-info-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-info-icon {
  font-size: 28px;
  flex-shrink: 0;
  width: 48px; height: 48px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
}

.contact-info-label {
  font-weight: 700;
  font-size: 15px;
  color: var(--text);
  margin-bottom: 4px;
}

.contact-info-text {
  font-size: 13px;
  color: var(--text2);
  line-height: 1.5;
}

.contact-card {
  padding: 32px;
}

.contact-submit-btn {
  width: 100%;
  padding: 14px;
  font-size: 15px;
  border: none;
}

.contact-success {
  text-align: center;
  padding: 40px 20px;
}

.contact-success-icon {
  width: 64px; height: 64px;
  background: rgba(0,230,118,0.12);
  border: 2px solid rgba(0,230,118,0.4);
  border-radius: 50%;
  font-size: 28px;
  color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
}

.contact-success h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 8px;
}

.contact-success p {
  color: var(--text2);
  font-size: 15px;
}

@media (max-width: 768px) {
  .contact-layout { grid-template-columns: 1fr; }
}

/* ============================================================
   PRINT / PDF EXPORT
   ============================================================ */
@media print {
  body > *:not(#pdfPrintArea) { display: none !important; }
  #pdfPrintArea { display: block !important; }
  #pdfPrintArea { padding: 20px; font-family: 'Segoe UI', sans-serif; color: #000; background: #fff; }
  .pdf-title { font-size: 22px; font-weight: 700; margin-bottom: 4px; }
  .pdf-subtitle { font-size: 13px; color: #555; margin-bottom: 20px; }
  .pdf-category { font-size: 14px; font-weight: 700; margin: 16px 0 8px; border-bottom: 1px solid #ccc; padding-bottom: 4px; }
  .pdf-item { display: flex; align-items: center; gap: 8px; padding: 4px 0; font-size: 13px; }
  .pdf-checkbox { width: 14px; height: 14px; border: 1.5px solid #333; border-radius: 2px; display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; }
  .pdf-checkbox.checked { background: #000; color: #fff; font-size: 10px; }
  .pdf-progress { font-size: 12px; color: #555; margin-bottom: 16px; }
}

/* ============================================================
   TOOLS INDEX
   ============================================================ */
.tools-index {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}
.tools-index-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 13px;
  color: var(--text2);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.tools-index-chip:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(0,230,118,.07);
  transform: translateY(-1px);
}
.tools-index-chip .chip-icon {
  font-size: 15px;
  line-height: 1;
}

/* ============================================================
   CISCO TYPE 7
   ============================================================ */
.c7-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 18px 0;
  color: var(--text2);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.c7-divider::before, .c7-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.c7-result-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
}
.c7-result-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text2);
  margin-bottom: 6px;
}
.c7-result-value {
  font-family: 'Courier New', monospace;
  font-size: 15px;
  color: var(--accent);
  word-break: break-all;
  display: flex;
  align-items: center;
  gap: 10px;
}
.c7-copy-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text2);
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 12px;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition);
  flex-shrink: 0;
}
.c7-copy-btn:hover { border-color: var(--accent); color: var(--accent); }
.c7-warning {
  margin-top: 10px;
  font-size: 12px;
  color: #f0ad4e;
  display: flex;
  align-items: flex-start;
  gap: 6px;
}

/* ============================================================
   MOBILE ADDITIONS
   ============================================================ */
@media (max-width: 768px) {
  .ssl-result-grid { grid-template-columns: 1fr; }
  .ssl-field.ssl-full { grid-column: 1; }
  .ipv6-row { flex-direction: column; align-items: flex-start; }
  .ipv6-format { width: auto; }
  .search-modal { padding-top: 20px; align-items: flex-start; }
  .search-dialog { margin: 0 12px; border-radius: 12px; }
}